8Picarelli L, Urciuoli G, Russo C. Effect of groundwater regime on the behavior of clayey slopes[J]. Canadian Geotechnical Journal, 2004,41(3): 467 - 484.
9Uchida T, Asano Y, Ohte N, et al. Seepage area and rate of bedrock groundwater discharge at a granitic unchanneled hillslope[J]. Water Resources Research, 2003, 39(1): 10- 18.
10Bear J. Dynamic of Fluids in Porous Media[M]. Amer: Elsevier Publishing Co,, 1972.
